TOKYO--(BUSINESS WIRE)--The OKI Group printed circuit board (PCB) business company OKI Circuit Technology (President: Masaya Suzuki; Headquarters: Tsuruoka City, Yamagata Prefecture; “OTC” hereinafter ...

Here is a simple heater circuit that can be operated from a 12V battery. The first part of the circuit is an astable multivibrator build around the two transistors Q1 and Q2 . The ON time of ...

Lithuania-based Refra has launched its Oasis series of water-to-water heat pumps and chillers, offering capacities from 34 kW to 600 kW for small to large commercial and industrial applications.

Used in everything from cell phones to supercomputers, tiny electronic circuits contain transistors that generate performance-compromising heat. Circuit designers can “see” how temperatures change ...

Scientists at Germany’s Fraunhofer Institute ISE and a consortium of heat pump manufacturers have achieved a new efficiency record in their development of a low-refrigerant propane refrigeration ...

Thermal-magnetic circuit breakers contain two different switching mechanisms, a bimetal switch and an electromagnet. The bimetal serves as a means of handling overcurrents. The bimetal typically sits ...